Iassure you it wont happen again.
我包管此类事情不会再发生。
Iassure you it wont happen again.
我保证此类事情不会再发生。
I assure you it wont happen again.
我保证此类视情不会再发生。
I promise you that wont happen again!
我保证我不会让它再发生第二次了！
不会再发生了。
See to it that the same mistake wont happen again.
要确保同样的错误今后不再发生。
Hope this thing wont happen again and wont happen to any of you as well.
希望这种事不会再次发生，也不会发生在你们任何一位身上。
Hope this thing wont happen again and wont happen to any of you as well.
希望这种事不会再次发生，也不会发生在你们任何一位身上。
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